////
//// Created by ASUS on 2022/1/10.
////
//
//#include<stdio.h>
//#include "queue.h"
//
//int main() {
//
//    for (int i = 5; i < 20; ++i) {
//        enqueue(i);
//    }
//
//    printf("dequeue is :%d\n", dequeue());
//    printf("dequeue is :%d\n", dequeue());
//}